<?php
/**
 * Created by PhpStorm.
 * User: chaochao
 * Date: 2024/5/31
 * Time: 10:28
 * 生成小程序码接口地址    https://developers.weixin.qq.com/miniprogram/dev/api/getWXACodeUnlimit.html
 */

namespace app\api\controller;

class Spreadcode
{
//    获取accesstoken
    public function getAccesstoken(){

        $appid = 'wx1083a98d85bc2c96';                     /*小程序appid*/
        $srcret = 'def3c898ee1b155653530cf39169fef0';      /*小程序秘钥*/

        $tokenUrl="https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=".$appid."&secret=".$srcret;
        $getArr=array();
        $tokenArr=json_decode($this->send_post($tokenUrl,$getArr,"GET"));

        $access_token=$tokenArr->access_token;

        return $access_token;
    }

    public function send_post($url, $post_data,$method='POST') {
        $postdata = http_build_query($post_data);
        $options = array(
            'http' => array(
                'method' => $method, //or GET
                'header' => 'Content-type:application/x-www-form-urlencoded',
                'content' => $postdata,
                'timeout' => 15 * 60 // 超时时间（单位:s）
            )
        );
        $context = stream_context_create($options);
        $result = file_get_contents($url, false, $context);
        return $result;
    }



    public function api_notice_increment($url, $data){
        $ch = curl_init();
        $header=array('Accept-Language:zh-CN','x-appkey:114816004000028','x-apsignature:933931F9124593865313864503D477035C0F6A0C551804320036A2A1C5DF38297C9A4D30BB1714EC53214BD92112FB31B4A6FAB466EEF245710CC83D840D410A7592D262B09D0A5D0FE3A2295A81F32D4C75EBD65FA846004A42248B096EDE2FEE84EDEBEBEC321C237D99483AB51235FCB900AD501C07A9CAD2F415C36DED82','x-apversion:1.0','Content-Type:application/x-www-form-urlencoded','Accept-Charset: utf-8','Accept:application/json','X-APFormat:json');
        curl_setopt($ch, CURLOPT_URL, $url);
        curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "POST");
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
        curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, FALSE);
        curl_setopt($ch, CURLOPT_HTTPHEADER, $header);
        curl_setopt($ch, CURLOPT_USERAGENT, 'Mozilla/5.0 (compatible; MSIE 5.01; Windows NT 5.0)');
        curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
        curl_setopt($ch, CURLOPT_AUTOREFERER, 1);
        curl_setopt($ch, CURLOPT_POSTFIELDS, $data);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
        $tmpInfo = curl_exec($ch);
        //         var_dump($tmpInfo);
        //        exit;
        if (curl_errno($ch)) {
            return false;
        }else{
            // var_dump($tmpInfo);
            return $tmpInfo;
        }
    }

    /*上面生成的是数量限制10万的二维码，下面重写数量不限制的码*/
    /*getWXACodeUnlimit*/
    /*码一，圆形的小程序二维码，数量限制一分钟五千条*/
    /*45009    调用分钟频率受限(目前5000次/分钟，会调整)，如需大量小程序码，建议预生成。
    41030    所传page页面不存在，或者小程序没有发布*/
    public function mpcode($page,$id,$user){
        //参数
//        $postdata['scene']="nidaodaodao";
        $postdata['scene']=$user['scene'];
        //正式版为 "release"，体验版为 "trial"，开发版为 "develop"。默认是正式版。
        $postdata['env_version']=$user['env_version'];
        // 宽度
        $postdata['width']=430;
        // 页面
        $postdata['page']=$page;
//        $postdata['page']="pages/postcard/postcard";
        // 线条颜色
        $postdata['auto_color']=false;
        //auto_color 为 false 时生效
        $postdata['line_color']=['r'=>'0','g'=>'0','b'=>'0'];
        // 是否有底色为true时是透明的
        $postdata['is_hyaline']=true;
        //pr($postdata);
        $post_data = json_encode($postdata);
        //pr($post_data);
        $access_token=$this->getAccesstoken();
        $url="https://api.weixin.qq.com/wxa/getwxacodeunlimit?access_token=".$access_token;
        //pr($post_data);
        $result=$this->api_notice_increment($url,$post_data);

        $data='data:image/png;base64,'.base64_encode($result);
        //$data = $this->test();
        //pr($data);
        $path = get_config('filesystem.disks.public.url');
        $user['id']=$id;
        return $this->base64_image_content($data,'storage/code/',$user);
        //return $data;
//        echo '<img src="data:'.$data.'">';
    }


    /*码二，正方形的二维码，数量限制调用十万条*/
    public function qrcodes(){
        $path="pages/postcard/postcard";
        // 宽度
        $postdata['width']=430;
        // 页面
        $postdata['path']=$path;
        $post_data = json_encode($postdata);

        $access_token=$this->getAccesstoken();
        $url="https://api.weixin.qq.com/cgi-bin/wxaapp/createwxaqrcode?access_token=".$access_token;
        $result=$this->api_notice_increment($url,$post_data);

        $data='image/png;base64,'.base64_encode($result);
        echo '<img src="data:'.$data.'">';
    }
    // 将二维码保存为文件在服务器中
    // $base64_image_content base64图片格式
    // $path 存放服务器的地址
    public static function base64_image_content($base64_image_content,$path="storage/code/",$user){
        //匹配出图片的格式
        if (preg_match('/^(data:\s*image\/(\w+);base64,)/', $base64_image_content, $result)){
            //后缀
            $type = $result[2];
            //$path='code/';
            $new_file = $path;
            //pr($new_file);
            //创建文件夹，以年月日
            //$new_file = $path."/code/";
            //$new_file = "/public/storage/code/";
            if(!file_exists($new_file)){
                //检查是否有该文件夹，如果没有就创建，并给予最高权限
                mkdir($new_file, 0777, true);
            }
            if(!empty($user['username'])){
                $new_file = $new_file."".$user['username']."_".$user['id'].".".$type;    //图片名以时间命名
            }else{
                $new_file = $new_file."".time().".".$type;    //图片名以时间命名
            }
            
            //pr($new_file);
            //保存为文件
            //if (file_put_contents($new_file, base64_decode(str_replace($result[1], '', $base64_image_content)))){
            if (file_put_contents($new_file, base64_decode(str_replace($result[1], '', $base64_image_content)))){
                //返回这个图片的路径
                return $new_file;
            }else{

                //return false;
                return '111';
            }
        }else{
            return '222';
        }
    }
    public function test(){
        return '';
    }

}